body {
    font-family: sans-serif;
    margin-right: 5px;
    margin-left: 5px;
    margin-bottom: 5px;
    margin-top: 5px;
}

span.titel {
    font-size: 24px;
    font-weight: bold;
}

div#titel {
    text-align: center;
}

div.text {
    width: 500px;
}

a {
    text-decoration: none; 
}

a:hover {   
    font-weight: bold;
    font-size: 24px;
}